Affiliation: | (1) Department of Gastroenterological Surgery, The Tazuke-Kofukai Medical Research Institute, Kitano Hospital, 2-4-20, Ohgimachi, Kita-ku Osaka, 530-8480, Japan;(2) Department of Radiology, The Tazuke-Kofukai Medical Research Institute, Kitano Hospital, 2-4-20, Ohgimachi, Kita-ku Osaka, 530-8480, Japan; |